I’ve spent the past year thinking a lot about “wellth”—the idea that success is found in a lifestyle devoted to mental, physical, and emotional health. (I even wrote a book about it.) In this new series, we’re celebrating visionaries who embody what it means to be wellthy.

Mindbodygreen comes full circle with Shauna Harrison, as she was friends with my wife while they were students at Stanford. After college, Shauna went on to get her master's degree at UCLA and studied for her Ph.D. at Johns Hopkins when her fitness classes that she was teaching on the side became so immensely popular that Under Armour took notice. The rest is history.